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Government institution · Sacramento · United States

California Department of Fish and Wildlife

In research, California Department of Fish and Wildlife stands highest in Environmental Science (#2,793 of 3,551 worldwide) and Physical Sciences (#12,302 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Nature and Landscape Conservation, Ecology and Environmental Science — Nature and Landscape Conservation is 56.6× its share of world research.

wildlife.ca.govROR OpenAlex
World rank, 2022–2025
#18,413
of 28,054 · #16,418 all time
Rank in United States
#2,669
of 4,192
Research works
1k
▲ 60% vs 2013–17
Citations
28k
27.5 per fractional work
Top-10% rate
13.8%
record average 16.5%
Open access
44%
world 28%

What is California Department of Fish and Wildlife known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Environmental ScienceField #2,793 of 3,551 12.0%100 #1719
Physical SciencesDomain #12,302 of 12,888 12.5%106 #14395

Each strip is that field’s whole ranked pool, with the notch where California Department of Fish and Wildlife sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does California Department of Fish and Wildlife specialise in?

Where its research is concentrated relative to its size: Nature and Landscape Conservation takes 56.6× the share of its output that it takes of world research.

  1. Nature and Landscape ConservationSubfield · 20.0 works57×
  2. EcologySubfield · 44.4 works38×
  3. Environmental ScienceField · 99.8 works14×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 2.04× its world share, 14 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.77× its world share, 14 worksBiochemistry, Geneti…Immunology and Microbiology: 3.31× its world share, 5 worksImmunology and Micro…Pharmacology, Toxicology and Pharmaceutics: 0.13× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.08× its world share, 0 worksChemistryComputer Science: 0.03× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 1.99× its world share, 5 worksEarth and Planetary …Engineering: 0.02× its world share, 0 worksEngineeringEnvironmental Science: 13.53× its world share, 100 worksEnvironmental ScienceMathematics: 0.15× its world share, 0 worksMathematicsHealth Professions: 0.04× its world share, 0 worksHealth ProfessionsMedicine: 0.13× its world share, 4 worksMedicineVeterinary: 10.91× its world share, 2 worksVeterinaryArts and Humanities: 0.08× its world share, 0 worksArts and HumanitiesEconomics, Econometrics and Finance: 0.20× its world share, 1 worksEconomics, Econometr…Psychology: 0.19× its world share, 1 worksPsychologySocial Sciences: 0.07× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 13.5×. Every wedge is a field page.

Who are the top researchers at California Department of Fish and Wildlife?

Ranked on the composite score, Vernon C. Bleich, Thomas R. Stephenson and David A. Jessup lead among researchers whose main affiliation is California Department of Fish and Wildlife.

  1. 1 Vernon C. Bleich United States · #62,991 worldwide 185 citations · 37 works
  2. 2 Thomas R. Stephenson United States · #102,262 worldwide 122 citations · 30 works
  3. 3 David A. Jessup United States · #338,483 worldwide 93 citations · 30 works
  4. 4 Robert M. Sullivan United States · #545,203 worldwide 85 citations · 18 works
  5. 5 Michael Martin United States · #603,513 worldwide 70 citations · 18 works
  6. 6 Laura Rogers‐Bennett United States · #1,326,725 worldwide 65 citations · 20 works
All ranked researchers at California Department of Fish and Wildlife

Which keywords describe research at California Department of Fish and Wildlife?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Invasive Species, Population Dynamics, Fisheries Sustainability, Biodiversity, Trophic Cascades, Habitat Fragmentation and Conservation.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change60▲ 15×44 topics
  2. Invasive Species32▲ 50×14 topics
  3. Population Dynamics26▲ 70×9 topics
  4. Fisheries Sustainability24▲ 180×2 topics
  5. Biodiversity22▲ 20×17 topics
  6. Trophic Cascades22▲ 158×2 topics
  7. Habitat Fragmentation20▲ 61×5 topics
  8. Conservation18▲ 28×13 topics
  9. Habitat Selection15▲ 139×2 topics
  10. Freshwater Biodiversity15▲ 169×2 topics
  11. Conservation Challenges14▲ 205×1 topic
  12. Flow Regulation14▲ 205×1 topic
  13. Animal Movement13▲ 163×1 topic
  14. Occupancy Rates13▲ 163×1 topic
  15. Conservation Biology12▲ 75×4 topics
  16. Ecosystem Management9▲ 105×1 topic
  17. Marine Fisheries9▲ 151×1 topic
  18. Genetic Diversity9▲ 13×8 topics
  19. Ecosystem9▲ 54×3 topics
  20. Model Evaluation8▲ 43×2 topics
  21. Aquaculture7▲ 17×6 topics
  22. Ecological Niche6▲ 74×1 topic
  23. Species Distribution Modeling6▲ 74×1 topic
  24. Resilience6▲ 8.5×3 topics
  25. Sagebrush6▲ 268×1 topic
  26. Wildlife Habitat6▲ 268×1 topic
  27. Phylogenetic Analysis6▲ 13×6 topics
  28. Ecosystem Services6▲ 9.6×5 topics
  29. Population Genetics5▲ 25×3 topics
  30. Sediment Transport5▲ 21×2 topics
  31. Biodiversity Loss5▲ 63×2 topics
  32. Predator-Prey Interactions5▲ 41×3 topics
  33. Global Change5▲ 12×5 topics
  34. Geomorphological Effects4▲ 79×2 topics
  35. Conservation Genetics4▲ 77×2 topics
  36. Genetic Structure4▲ 40×3 topics
  37. Adaptive Evolution4▲ 51×2 topics
  38. Biogeography4▲ 11×9 topics
  39. DNA Barcoding4▲ 17×5 topics
  40. Ocean Acidification4▲ 38×3 topics

Which research topics does California Department of Fish and Wildlife publish most on?

By volume in 2022–2025: Fish Ecology and Management Studies, Wildlife Ecology and Conservation, Marine and fisheries research and Species Distribution and Climate Change.

Fish Ecology and Managem…14Fish Ecology and Management Studies: 14 fractional worksWildlife Ecology and Conservation: 13 fractional worksMarine and fisheries research: 9 fractional worksSpecies Distribution and Climate Change: 6 fractional worksRangeland and Wildlife Management: 6 fractional worksHydrology and Sediment T…3Hydrology and Sediment Transport Processes: 3 fractional worksGenetic diversity and population structure: 3 fractional worksMarine Bivalve and Aquaculture Studies: 3 fractional worksAvian ecology and behavior: 2 fractional worksAnimal Ecology and Behavior Studies: 2 fractional works
Nature and Landscape ConservationEcologyGlobal and Planetary ChangeEcological Modeling1 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Fish Ecology and Management Studies Nature and Landscape Conservation 14 works
  2. 2 Wildlife Ecology and Conservation Ecology 13 works
  3. 3 Marine and fisheries research Global and Planetary Change 9 works
  4. 4 Species Distribution and Climate Change Ecological Modeling 6 works
  5. 5 Rangeland and Wildlife Management Ecology 6 works
  6. 6 Hydrology and Sediment Transport Processes Ecology 3 works
  7. 7 Genetic diversity and population structure Genetics 3 works
  8. 8 Marine Bivalve and Aquaculture Studies Global and Planetary Change 3 works
  9. 9 Avian ecology and behavior Ecology 2 works
  10. 10 Animal Ecology and Behavior Studies Ecology 2 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available44.1%not open55.9%

World: 28% of research is openly available.

with international co-authors10.9%domestic only89.1%

World: 19% is written across borders.

How has California Department of Fish and Wildlife's research output changed?

Output in 2018–2022 was 60% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Sacramento

All research institutions in Sacramento

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.